Coral reef in the Indian Ocean, Mayotte, France Jul 18, 2024

Coral reef in the Indian Ocean, Mayotte, France

Blooming pillar corals, green sea turtles and colourful reef fishes—welcome to the thriving underwater universe of coral reefs. Coral reefs are formed by tiny marine organisms called coral polyps, which create vast colonies that serve as homes to a diverse array of marine species. As we turn our attention to their beauty and benefits, it"s vital to recognise the lurking threats–climate change, pollution and harmful human activities.

© Gabriel Barathieu/Minden Pictures

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